$var1={
      
      'data'=>{
                'student'=>[
                              {
                               'name'=>'mikky',
                               'number'=>'12',
                               'branch'=>'computers',
                                },

                               {
                               'name'=>'vijju',
                               'number'=>'15',
                               'branch'=>'electronics',
                                },

                               {
                               'name'=>'shyam',
                               'number'=>'16',
                               'branch'=>'EEE',
                                },
                              ],

             
        'university'=>{
               'name'=>'svu',
               'location'=>'ravru',
                 'branch'=>{
                     'electronics'=>{
                                'student'=>[
                                         {
                                        'name'=>'mikky',
                                         'number'=>'12',
                                           'semester'=>{
                                                  'Number'=>'1',
                                                  'subjects'=>'7',
                                                   'rank'=>'2'
                                                  }
                                               },
                                       {
                                        'name'=>'vijju',
                                         'number'=>'15',
                                           'semester'=>[
                                                {
                                               'number'=>'1',
                                                'subjects'=>'7',
                                                 'rank'=>'10'
                                                  },
                                                 {
                                                'number'=>'2',
                                                'subjects'=>'4',
                                                 'rank'=>'1'
                                                  }
                                                 ]
                                               }, 
                                         {
                                        'name'=>'shyam,
                                         'number'=>'15',
                                           'semester'=>[
                                                {
                                               'number'=>'1',
                                                'subjects'=>'7',
                                                 'rank'=>'2'
                                                  },
                                                 {
                                                'number'=>'2',
                                                'subjects'=>'4',
                                                 'rank'=>'2'
                                                  }
                                                 ]
                                               },     
                                            ]
                                          }
                                         }
                                       };